content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------------
   * LegendItemTests.java
   * --------------------
   * (C) Copyright 2004-2012, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 04-Jun-2004 : Version 1 (DG);
   * 10-Dec-2005 : Addded new test to cover bug report 1374328 (DG);
   * 13-Dec-2006 : Extended testEquals() for new fillPaintTransformer
   *               attribute (DG);
   * 23-Apr-2008 : Implemented Cloneable (DG);
   * 17-Jun-2008 : Included new fields in existing tests (DG);
   * 17-Jun-2012 : Removed JCommon dependencies (DG);
   *
   */
  
  package org.jfree.chart;
  
  import org.jfree.chart.ui.GradientPaintTransformType;
  import org.jfree.chart.ui.StandardGradientPaintTransformer;
  import org.junit.Test;
  
  import java.awt.BasicStroke;
  import java.awt.Color;
  import java.awt.Font;
  import java.awt.GradientPaint;
  import java.awt.font.TextAttribute;
  import java.awt.geom.Line2D;
  import java.awt.geom.Rectangle2D;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.text.AttributedString;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  
  /**
   * Tests for the {@link LegendItem} class.
   */
  public class LegendItemTest  {
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
  
          LegendItem item1 = new LegendItem("Label", "Description",
                  "ToolTip", "URL", true,
                  new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), true, Color.RED,
                  true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0),
                  new BasicStroke(2.1f), Color.green);
          LegendItem item2 = new LegendItem("Label", "Description",
                  "ToolTip", "URL", true,
                  new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0),
                  true, Color.RED, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertEquals(item1, item2);
          assertEquals(item2, item1);
  
          item1 = new LegendItem("Label2", "Description", "ToolTip", "URL",
                  true, new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), true,
                  Color.RED, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description", "ToolTip", "URL",
                  true, new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0),
                  true, Color.RED, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", true, new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0),
                  true, Color.RED, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", true, new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0),
                  true, Color.RED, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0),
                  true, Color.RED, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0),
                  true, Color.RED, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  true, Color.RED, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  true, Color.RED, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  false, Color.RED, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  false, Color.RED, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip", "URL",
                  false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0), false,
                  Color.BLACK, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip", "URL",
                  false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0), false,
                  Color.BLACK, true, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  false, Color.BLACK, false, Color.BLUE, new BasicStroke(1.2f),
                  true, new Line2D.Double(1.0, 2.0, 3.0, 4.0),
                  new BasicStroke(2.1f), Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip", "URL",
                  false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0), false,
                  Color.BLACK, false, Color.BLUE, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip", "URL",
                  false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0), false,
                  Color.BLACK, false, Color.yellow, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip", "URL",
                  false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0), false,
                  Color.BLACK, false, Color.yellow, new BasicStroke(1.2f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip", "URL",
                  false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0), false,
                  Color.BLACK, false, Color.yellow, new BasicStroke(2.1f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip", "URL",
                  false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0), false,
                  Color.BLACK, false, Color.yellow, new BasicStroke(2.1f), true,
                  new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(2.1f),
                  Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  false, Color.BLACK, false, Color.yellow, new BasicStroke(2.1f),
                  false, new Line2D.Double(1.0, 2.0, 3.0, 4.0),
                  new BasicStroke(2.1f), Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  false, Color.BLACK, false, Color.yellow, new BasicStroke(2.1f),
                  false, new Line2D.Double(1.0, 2.0, 3.0, 4.0),
                  new BasicStroke(2.1f),  Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  false, Color.BLACK, false, Color.yellow, new BasicStroke(2.1f),
                  false, new Line2D.Double(4.0, 3.0, 2.0, 1.0),
                  new BasicStroke(2.1f), Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  false, Color.BLACK, false, Color.yellow, new BasicStroke(2.1f),
                  false, new Line2D.Double(4.0, 3.0, 2.0, 1.0),
                  new BasicStroke(2.1f), Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  false, Color.BLACK, false, Color.yellow, new BasicStroke(2.1f),
                  false, new Line2D.Double(4.0, 3.0, 2.0, 1.0),
                  new BasicStroke(3.3f), Color.green);
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  false, Color.BLACK, false, Color.yellow, new BasicStroke(2.1f),
                  false, new Line2D.Double(4.0, 3.0, 2.0, 1.0),
                  new BasicStroke(3.3f), Color.green);
          assertEquals(item1, item2);
  
          item1 = new LegendItem("Label2", "Description2", "ToolTip", "URL",
                  false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0), false,
                  Color.BLACK, false, Color.yellow, new BasicStroke(2.1f), false,
              new Line2D.Double(4.0, 3.0, 2.0, 1.0), new BasicStroke(3.3f),
              Color.WHITE
          );
          assertFalse(item1.equals(item2));
          item2 = new LegendItem("Label2", "Description2", "ToolTip",
                  "URL", false, new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0),
                  false, Color.BLACK, false, Color.yellow, new BasicStroke(2.1f),
                  false, new Line2D.Double(4.0, 3.0, 2.0, 1.0),
                  new BasicStroke(3.3f),
                  Color.WHITE);
          assertEquals(item1, item2);
  
          // fillPaintTransformer
          item1.setFillPaintTransformer(new StandardGradientPaintTransformer(
                  GradientPaintTransformType.CENTER_VERTICAL));
          assertFalse(item1.equals(item2));
          item2.setFillPaintTransformer(new StandardGradientPaintTransformer(
                  GradientPaintTransformType.CENTER_VERTICAL));
          assertEquals(item1, item2);
  
          // labelFont
          item1.setLabelFont(new Font("Dialog", Font.PLAIN, 13));
          assertFalse(item1.equals(item2));
          item2.setLabelFont(new Font("Dialog", Font.PLAIN, 13));
          assertEquals(item1, item2);
  
          // labelPaint
          item1.setLabelPaint(Color.RED);
          assertFalse(item1.equals(item2));
          item2.setLabelPaint(Color.RED);
          assertEquals(item1, item2);
  
          // fillPaint
          item1.setFillPaint(new GradientPaint(1.0f, 2.0f, Color.green, 3.0f,
                  4.0f, Color.BLUE));
          assertFalse(item1.equals(item2));
          item2.setFillPaint(new GradientPaint(1.0f, 2.0f, Color.green, 3.0f,
                  4.0f, Color.BLUE));
          assertEquals(item1, item2);
  
          // outlinePaint
          item1.setOutlinePaint(new GradientPaint(1.1f, 2.2f, Color.green, 3.3f,
                  4.4f, Color.BLUE));
          assertFalse(item1.equals(item2));
          item2.setOutlinePaint(new GradientPaint(1.1f, 2.2f, Color.green, 3.3f,
                  4.4f, Color.BLUE));
          assertEquals(item1, item2);
  
          // linePaint
          item1.setLinePaint(new GradientPaint(0.1f, 0.2f, Color.green, 0.3f,
                  0.4f, Color.BLUE));
          assertFalse(item1.equals(item2));
          item2.setLinePaint(new GradientPaint(0.1f, 0.2f, Color.green, 0.3f,
                  0.4f, Color.BLUE));
          assertEquals(item1, item2);
  
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          LegendItem item1 = new LegendItem("Item", "Description",
                  "ToolTip", "URL",
                  new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), new GradientPaint(
                          5.0f, 6.0f, Color.BLUE, 7.0f, 8.0f, Color.gray));
          item1.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f,
                  4.0f, Color.yellow));
          item1.setOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.green, 2.0f,
                  1.0f, Color.RED));
          item1.setLinePaint(new GradientPaint(1.0f, 2.0f, Color.WHITE, 3.0f,
                  4.0f, Color.RED));
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(item1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray()));
          LegendItem item2 = (LegendItem) in.readObject();
          in.close();
  
          assertEquals(item1, item2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization2() throws IOException, ClassNotFoundException {
          AttributedString as = new AttributedString("Test String");
          as.addAttribute(TextAttribute.FONT, new Font("Dialog", Font.PLAIN, 12));
          LegendItem item1 = new LegendItem(as, "Description", "ToolTip", "URL",
                  new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), Color.RED);
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(item1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray()));
          LegendItem item2 = (LegendItem) in.readObject();
          in.close();
  
              assertEquals(item1, item2);
      }
  
      /**
       * Basic checks for cloning.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          LegendItem item1 = new LegendItem("Item");
          LegendItem item2 = (LegendItem) item1.clone();
  
          assertNotSame(item1, item2);
          assertSame(item1.getClass(), item2.getClass());
          assertEquals(item1, item2);
  
          // the clone references the same dataset as the original
          assertSame(item1.getDataset(), item2.getDataset());
      }
  
  }
  